T-Mobile G1 Accounting for 20% of UK Contract Sales?

Whoa. Can this be true? According to T-Mobile UK's latest financial numbers, it looks like the T-Mobile G1 accounts for nearly 20% of T-Mobile UK contract sales. According to T-Mobile UK, the T-Mobile G1 was clearly "the best-selling launch" of 2008. Having the G1 in tow, T-Mobile UK enjoyed a strong second half to the year (it launched at the end of October).

These numbers are a great base to build on and hopefully T-Mobile UK is prepared to compete with Vodafone and the HTC Magic for marketshare. How about it UK users, is the T-Mobile G1 that popular across the pond?